A pedestrian was struck by a driver in midtown Manhattan on Tuesday evening, making him the fourth person critically injured or killed by a motorist in less than 12 hours.

The 51-year-old man was crossing 5th Avenue at 59th Street from east to west just before 6 p.m., a police spokesman said, when a "white coach bus" driver traveling south on 5th Avenue struck him.

The man was taken to NY Presbyterian-Weill Cornell Hospital in critical condition after suffering "severe body trauma." The NYPD did not have an update on his condition, but the Post, NY Times, and Daily News all report that he died from his injuries.

The bus driver did not remain at the scene. A witness account apparently led police to believe an MTA bus might have been involved, but sources told the Daily News that police determined the witness was mistaken and the city bus was not involved.

The collision capped off a deadly day for pedestrians on NYC streets.

On Tuesday morning, around 7 a.m., a 10-year-old boy and his mother were struck by a Department of Sanitation truck driver in Corona, Queens, by Lefrak City. The boy, Shree Panthee, died. His mother, identified as Mina Panthee, was critically injured and remains hospitalized. She was reportedly able to tell friends that she was in the crosswalk with her son when the truck driver hit them. The driver was suspended after the incident but as of Wednesday morning had not been charged.

At 11:48 a.m., a cement truck driver hit a 68-year-old woman crossing the intersection at New Utrecht Avenue and 49th Street in Borough Park, Brooklyn. The woman, Judith Wieder, who lived half a block away, died at the scene. Security camera video obtained by the NY Post shows Wieder, with a cane, crossing the street outside of the crosswalk but with the right-of-way. However, the light turns green just as Wieder passes in front of the cement truck driver, who then proceeds but stops after realizing he's run over Wieder.

The Department of Transportation says that 46% of all fatal crashes involve drivers of large trucks and SUVs. In December, the NYPD proclaimed that they would increase enforcement of truck drivers after truck drivers killed four pedestrians in a 48-hour period (two other pedestrians killed in that same period were struck by drivers behind the wheel of sedans). 122 pedestrians were killed on city streets in 2019, up from 105 in 2018.

A 74-year-old woman was killed by a Jeep driver on Northern Boulevard in Queens on New Year's day, while a 70-year-old woman was killed by a hit-and-run driver in Canarsie last Friday.

After Shree Panthee's death, Transportation Alternatives Executive Director Danny Harris demanded "immediate action" from elected officials in a statement, "We urge Mayor Bill de Blasio and members of the New York City Council to ensure that every New Yorker has the right to safe passage on our streets, and no New Yorker has to walk in fear."